2026 head-to-head · Midsize Car
2026 Alfa Romeo Giulia vs Audi A6
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.0L 6-cyl turbo · 7-speed dual-clutch · 23 MPG
The 2026 Alfa Romeo Giulia is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,576 for the 2026 Audi A6 (23 MPG). That's roughly $382 a year, or about $1,908 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Alfa Romeo Giulia
- Audi A6
Side by side
| Alfa Romeo Giulia | Audi A6 | |
|---|---|---|
| $2,194 | Your annual fuel cost | $2,576 |
| 27 MPG | Combined efficiency | 23 MPG |
| 24 MPG | City | 20 MPG |
| 33 MPG | Highway | 29 MPG |
| 100 cu ft | Passenger volume | 98 cu ft |
| 12 cu ft | Cargo volume | 13 cu ft |
| 330 g/mi | Tailpipe CO₂ (g/mi) | 387 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 7-speed dual-clutch |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Alfa Romeo Giulia vs Audi A6 across model years
- Alfa Romeo Giulia
- Audi A6
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Audi A6 has more cargo space (13 vs. 12 cu ft).
Among 31 2026 midsize cars, the Alfa Romeo Giulia ranks 23rd and the Audi A6 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Alfa Romeo Giulia or the 2026 Audi A6?
Measured by cost to drive, the Alfa Romeo Giulia. The Alfa Romeo Giulia is rated 27 MPG combined and the Audi A6 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Alfa Romeo Giulia vs. the Audi A6 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Alfa Romeo Giulia and $2,576 for the Audi A6.
Which has more cargo space?
The Audi A6, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Alfa Romeo Giulia vs Audi A6 in other years
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